In H.G. Wells remarkable novel, War of the Worlds, the aliens are defeated, not by any weaponry invented by humans, but by disease-carry microbes to which they have no immunity. I'm presently reading about a real situation like that fictional one, that took the lives of huge numbers of indigenous people during the first century of Spanish rule in California.
But viruses come in all types, don't they? Now, in a new age, we have a new kind of virus that can steal, not your life, but the integrity of your computer.
